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Laser wakefield and beat-wave generation by multiple and chirped laser pulses

Published online by Cambridge University Press:  09 March 2009

R.A. Cairns ,
D. Johnson  and
R. Bingham
R.A. Cairns
Affiliation:
University of st. Andrews, St. Andrews, Fife KY16 9SS, United Kingdom
D. Johnson
Affiliation:
University of st. Andrews, St. Andrews, Fife KY16 9SS, United Kingdom
R. Bingham
Affiliation:
Rutherford Appleton Laboratory, Chilton, Didcot, Oxon, Ox11 OQX, United Kingdom
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Abstract

Generation of large amplitude plasma waves using high-power lasers in either the wakefield or beat-wave scheme is considered. We show how the nonlinear behavior of the plasma wave may make it advantageous to split the total energy into more than one pulse in the wavefield scheme. When a beat wave is generated by a pulse of finite length, we show how the final wave amplitude may be enhanced if the frequency of one or both pulses is chirped in such a way that the wavelength of the beat increases from the front to the back of the pulse.

Type
Research Article
Information
Laser and Particle Beams , Volume 13 , Issue 4 , December 1995 , pp. 451 - 458
Copyright
Copyright © Cambridge University Press 1995

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References

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